Home / 39,770.32-59,655.12-10,187.92

Finding the Fourth Proportional to 39,770.32, 59,655.12 and 10,187.92

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Solution

The fourth proportional to 39,770.32, 59,655.12 and 10,187.92 is: 15,281.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,770.32 : 59,655.12 = 10,187.92 : x
  2. Step 2: Convert to fraction form
    39,770.32/59,655.12 = 10,187.92/x
  3. Step 3: Cross multiply
    39,770.32x = 59,655.12 × 10,187.92
  4. Step 4: Simplify right side
    39,770.32x = 607,761,590.15
  5. Step 5: Solve for x
    x = 607,761,590.15/39,770.32
  6. Step 6: Final answer
    x = 15,281.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.